Ответ:

1) I couldn't do the washing-up, because I was busy.

3) Mary should go in for sports, to keep fit.

4) You will see him tomorrow.

5) Her friends can do incredible things.

Ответ:

1. I can speak English very well

2. He must go to university every day.

3. You can't play here. A street is not a playground

4. May i take your workbooks?

5. I can read Spanish but i can't speak it

Объяснение:

Модальные глаголы передают возможность, вероятность, способность, необходимость совершения действия. К ним относятся: can (could), must, should, may, need. Их нужно употреблять с инфинитивом другого глагола